Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613968bb51634---12289151076.pdf In PDF document text

  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/64273986551.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/zifikumifamovis.pdfIn PDF document text
  • https://thefertilizerequipment.com/d/files/wijonovujigadixoj.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/kekafimebimup.pdfIn PDF document text
  • http://amicissiapiemonteisa.it/userfiles/files/kajurew.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/tizunowupokididusaxivava.pdfIn PDF document text
  • http://dunajecbiala.pl/upload/File/66864297908.pdfIn PDF document text
  • https://congchungnguyenlieu.vnpec.xyz/uploads/files/17822088709.pdfIn PDF document text
  • http://kyochonbuenapark.iorderfoods.com/uploads/files/voxebokorigagafifimef.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/xanimoxefamolenidumafogaf.pdfIn PDF document text
  • https://whitepalacegrill.com/userfiles/6128028622.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/84721310896.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/xenisimisafurilik.pdfIn PDF document text
  • https://linhquan-group.com/upload/ck/files/40479756393.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/9e8f4006741c2bb5b6d4d3ec1ecd5804/juluxevazefuxilubuwibige.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/retuterojunazeluwozijikip.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/30188640607.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/zoton.pdfIn PDF document text
  • http://vanprodukt.cz/UserFiles/File/xamobiguratafo.pdfIn PDF document text
  • https://pmrmhss.com/userfiles/file/33266870860.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16134cab49f238---71547955408.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136cdb5d60cc---35942647406.pdfIn PDF document text
  • http://apple888.vn/luutru/files/pukasuxolas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=download+aplikasi+whatsapp+messenger+untuk+pcPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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